./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:07:20,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:07:20,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 02:07:20,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:07:20,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:07:20,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:07:20,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:07:20,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:07:20,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:07:20,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:07:20,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:07:20,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:07:20,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:07:20,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:07:20,165 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:07:20,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:07:20,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:07:20,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 02:07:20,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:07:20,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 02:07:20,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:07:20,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:07:20,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:07:20,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:07:20,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:07:20,171 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 02:07:20,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:07:20,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:07:20,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:07:20,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:07:20,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:07:20,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:07:20,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:07:20,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:07:20,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:07:20,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:07:20,174 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 [2024-11-09 02:07:20,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:07:20,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:07:20,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:07:20,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:07:20,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:07:20,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2024-11-09 02:07:21,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:07:21,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:07:21,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2024-11-09 02:07:21,975 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b2dec9c/f86973007555426c996a7f77d5468c71/FLAG3c77e8295 [2024-11-09 02:07:21,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b2dec9c/f86973007555426c996a7f77d5468c71 [2024-11-09 02:07:21,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:07:21,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:07:22,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:07:22,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:07:22,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:07:22,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:07:21" (1/1) ... [2024-11-09 02:07:22,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285466ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22, skipping insertion in model container [2024-11-09 02:07:22,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:07:21" (1/1) ... [2024-11-09 02:07:22,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:07:22,182 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2024-11-09 02:07:22,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:07:22,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:07:22,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2024-11-09 02:07:22,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:07:22,337 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:07:22,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22 WrapperNode [2024-11-09 02:07:22,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:07:22,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:07:22,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:07:22,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:07:22,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,396 INFO L138 Inliner]: procedures = 27, calls = 174, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-11-09 02:07:22,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:07:22,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:07:22,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:07:22,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:07:22,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,434 INFO L175 MemorySlicer]: Split 140 memory accesses to 2 slices as follows [2, 138]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 40 writes are split as follows [0, 40]. [2024-11-09 02:07:22,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:07:22,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:07:22,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:07:22,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:07:22,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (1/1) ... [2024-11-09 02:07:22,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:07:22,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:07:22,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 02:07:22,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 02:07:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:07:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:07:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:07:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:07:22,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:07:22,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:07:23,049 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-09 02:07:23,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:07:23,065 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:07:23,065 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:07:23,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:07:23 BoogieIcfgContainer [2024-11-09 02:07:23,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:07:23,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:07:23,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:07:23,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:07:23,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:07:21" (1/3) ... [2024-11-09 02:07:23,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f79853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:07:23, skipping insertion in model container [2024-11-09 02:07:23,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:07:22" (2/3) ... [2024-11-09 02:07:23,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f79853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:07:23, skipping insertion in model container [2024-11-09 02:07:23,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:07:23" (3/3) ... [2024-11-09 02:07:23,076 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-85.i [2024-11-09 02:07:23,090 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:07:23,090 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:07:23,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:07:23,217 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@271b724f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:07:23,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:07:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 02:07:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 02:07:23,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:23,236 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:23,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:23,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash 809731980, now seen corresponding path program 1 times [2024-11-09 02:07:23,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:23,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510339654] [2024-11-09 02:07:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:23,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:23,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510339654] [2024-11-09 02:07:23,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510339654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:23,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:23,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 02:07:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815705911] [2024-11-09 02:07:23,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:23,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 02:07:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:23,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 02:07:23,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 02:07:23,666 INFO L87 Difference]: Start difference. First operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:23,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:23,698 INFO L93 Difference]: Finished difference Result 255 states and 399 transitions. [2024-11-09 02:07:23,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 02:07:23,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-09 02:07:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:23,707 INFO L225 Difference]: With dead ends: 255 [2024-11-09 02:07:23,708 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 02:07:23,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 02:07:23,716 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:23,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:23,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 02:07:23,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-09 02:07:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 02:07:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-09 02:07:23,765 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 179 [2024-11-09 02:07:23,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:23,765 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-09 02:07:23,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-09 02:07:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 02:07:23,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:23,769 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:23,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:07:23,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:23,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash 949240606, now seen corresponding path program 1 times [2024-11-09 02:07:23,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:23,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146107645] [2024-11-09 02:07:23,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:23,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:26,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146107645] [2024-11-09 02:07:26,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146107645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:26,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:26,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:07:26,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13538030] [2024-11-09 02:07:26,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:26,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:07:26,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:26,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:07:26,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:26,214 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:26,970 INFO L93 Difference]: Finished difference Result 470 states and 679 transitions. [2024-11-09 02:07:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:07:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-09 02:07:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:26,975 INFO L225 Difference]: With dead ends: 470 [2024-11-09 02:07:26,975 INFO L226 Difference]: Without dead ends: 346 [2024-11-09 02:07:26,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:07:26,979 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 269 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:26,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 639 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 02:07:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-09 02:07:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 199. [2024-11-09 02:07:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 171 states have (on average 1.391812865497076) internal successors, (238), 172 states have internal predecessors, (238), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 288 transitions. [2024-11-09 02:07:27,008 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 288 transitions. Word has length 179 [2024-11-09 02:07:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:27,010 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 288 transitions. [2024-11-09 02:07:27,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 288 transitions. [2024-11-09 02:07:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:27,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:27,012 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:27,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:07:27,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:27,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1951990344, now seen corresponding path program 1 times [2024-11-09 02:07:27,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:27,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175072376] [2024-11-09 02:07:27,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:27,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:27,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175072376] [2024-11-09 02:07:27,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175072376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:27,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:27,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:27,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108679276] [2024-11-09 02:07:27,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:27,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:27,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:27,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:27,856 INFO L87 Difference]: Start difference. First operand 199 states and 288 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:28,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:28,226 INFO L93 Difference]: Finished difference Result 556 states and 803 transitions. [2024-11-09 02:07:28,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:28,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:28,230 INFO L225 Difference]: With dead ends: 556 [2024-11-09 02:07:28,230 INFO L226 Difference]: Without dead ends: 360 [2024-11-09 02:07:28,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 02:07:28,232 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 137 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:28,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 940 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:28,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-09 02:07:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 211. [2024-11-09 02:07:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 183 states have (on average 1.3879781420765027) internal successors, (254), 184 states have internal predecessors, (254), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 304 transitions. [2024-11-09 02:07:28,246 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 304 transitions. Word has length 180 [2024-11-09 02:07:28,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:28,246 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 304 transitions. [2024-11-09 02:07:28,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 304 transitions. [2024-11-09 02:07:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:28,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:28,248 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:28,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 02:07:28,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:28,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:28,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1321908598, now seen corresponding path program 1 times [2024-11-09 02:07:28,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:28,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231438521] [2024-11-09 02:07:28,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:28,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:28,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231438521] [2024-11-09 02:07:28,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231438521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:28,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:28,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:28,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107860828] [2024-11-09 02:07:28,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:28,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:28,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:28,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:28,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:28,693 INFO L87 Difference]: Start difference. First operand 211 states and 304 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:28,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:28,955 INFO L93 Difference]: Finished difference Result 631 states and 910 transitions. [2024-11-09 02:07:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:28,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:28,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:28,958 INFO L225 Difference]: With dead ends: 631 [2024-11-09 02:07:28,958 INFO L226 Difference]: Without dead ends: 423 [2024-11-09 02:07:28,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:28,960 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 150 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:28,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 694 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:28,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-09 02:07:28,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 257. [2024-11-09 02:07:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 229 states have (on average 1.4061135371179039) internal successors, (322), 230 states have internal predecessors, (322), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 372 transitions. [2024-11-09 02:07:28,975 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 372 transitions. Word has length 180 [2024-11-09 02:07:28,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:28,977 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 372 transitions. [2024-11-09 02:07:28,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 372 transitions. [2024-11-09 02:07:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:28,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:28,981 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:28,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 02:07:28,982 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:28,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:28,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1630099825, now seen corresponding path program 1 times [2024-11-09 02:07:28,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:28,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930210600] [2024-11-09 02:07:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:28,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930210600] [2024-11-09 02:07:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930210600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:30,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740508816] [2024-11-09 02:07:30,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:30,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:30,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:30,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:30,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:30,069 INFO L87 Difference]: Start difference. First operand 257 states and 372 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:30,444 INFO L93 Difference]: Finished difference Result 719 states and 1044 transitions. [2024-11-09 02:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:07:30,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-09 02:07:30,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:30,447 INFO L225 Difference]: With dead ends: 719 [2024-11-09 02:07:30,447 INFO L226 Difference]: Without dead ends: 465 [2024-11-09 02:07:30,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:07:30,448 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 253 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:30,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 659 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-09 02:07:30,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 265. [2024-11-09 02:07:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 237 states have (on average 1.3755274261603376) internal successors, (326), 238 states have internal predecessors, (326), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 376 transitions. [2024-11-09 02:07:30,467 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 376 transitions. Word has length 180 [2024-11-09 02:07:30,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:30,468 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 376 transitions. [2024-11-09 02:07:30,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 376 transitions. [2024-11-09 02:07:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:30,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:30,471 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:30,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 02:07:30,471 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:30,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash 654033210, now seen corresponding path program 1 times [2024-11-09 02:07:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:30,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760487812] [2024-11-09 02:07:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:30,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:30,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760487812] [2024-11-09 02:07:30,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760487812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:30,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:30,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:30,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957133511] [2024-11-09 02:07:30,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:30,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:30,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:30,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:30,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:30,925 INFO L87 Difference]: Start difference. First operand 265 states and 376 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:31,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:31,167 INFO L93 Difference]: Finished difference Result 689 states and 978 transitions. [2024-11-09 02:07:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:31,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:31,170 INFO L225 Difference]: With dead ends: 689 [2024-11-09 02:07:31,170 INFO L226 Difference]: Without dead ends: 427 [2024-11-09 02:07:31,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:31,172 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 152 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:31,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 698 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:31,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-09 02:07:31,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 261. [2024-11-09 02:07:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 233 states have (on average 1.3733905579399142) internal successors, (320), 234 states have internal predecessors, (320), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 370 transitions. [2024-11-09 02:07:31,188 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 370 transitions. Word has length 180 [2024-11-09 02:07:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:31,188 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 370 transitions. [2024-11-09 02:07:31,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 370 transitions. [2024-11-09 02:07:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:31,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:31,190 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:31,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 02:07:31,190 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:31,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:31,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1049088925, now seen corresponding path program 1 times [2024-11-09 02:07:31,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:31,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660071378] [2024-11-09 02:07:31,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:31,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:32,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:32,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660071378] [2024-11-09 02:07:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660071378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:32,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:32,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:07:32,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474821279] [2024-11-09 02:07:32,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:32,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:07:32,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:07:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:32,433 INFO L87 Difference]: Start difference. First operand 261 states and 370 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:33,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:33,014 INFO L93 Difference]: Finished difference Result 690 states and 983 transitions. [2024-11-09 02:07:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:07:33,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-09 02:07:33,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:33,017 INFO L225 Difference]: With dead ends: 690 [2024-11-09 02:07:33,017 INFO L226 Difference]: Without dead ends: 432 [2024-11-09 02:07:33,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:07:33,018 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 317 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:33,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 518 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 02:07:33,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-09 02:07:33,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 263. [2024-11-09 02:07:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 235 states have (on average 1.374468085106383) internal successors, (323), 236 states have internal predecessors, (323), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 373 transitions. [2024-11-09 02:07:33,029 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 373 transitions. Word has length 180 [2024-11-09 02:07:33,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:33,030 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 373 transitions. [2024-11-09 02:07:33,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 373 transitions. [2024-11-09 02:07:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:33,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:33,032 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:33,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 02:07:33,032 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:33,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:33,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1370979444, now seen corresponding path program 1 times [2024-11-09 02:07:33,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:33,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743980833] [2024-11-09 02:07:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:33,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:07:33,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:33,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743980833] [2024-11-09 02:07:33,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743980833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:07:33,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898057984] [2024-11-09 02:07:33,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:33,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:07:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:07:33,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:07:33,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:07:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:34,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 02:07:34,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:07:34,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-09 02:07:34,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:34,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 51 [2024-11-09 02:07:34,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:34,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 21 [2024-11-09 02:07:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:34,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:07:34,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898057984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:34,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:07:34,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-11-09 02:07:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469510058] [2024-11-09 02:07:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:34,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 02:07:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 02:07:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:07:34,274 INFO L87 Difference]: Start difference. First operand 263 states and 373 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:34,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:34,720 INFO L93 Difference]: Finished difference Result 767 states and 1079 transitions. [2024-11-09 02:07:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:07:34,720 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:34,724 INFO L225 Difference]: With dead ends: 767 [2024-11-09 02:07:34,726 INFO L226 Difference]: Without dead ends: 507 [2024-11-09 02:07:34,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-09 02:07:34,727 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 216 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:34,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 990 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:07:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-09 02:07:34,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 280. [2024-11-09 02:07:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 252 states have (on average 1.376984126984127) internal successors, (347), 253 states have internal predecessors, (347), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 397 transitions. [2024-11-09 02:07:34,741 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 397 transitions. Word has length 180 [2024-11-09 02:07:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:34,741 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 397 transitions. [2024-11-09 02:07:34,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:34,741 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 397 transitions. [2024-11-09 02:07:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:34,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:34,743 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:34,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 02:07:34,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:07:34,945 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:34,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:34,945 INFO L85 PathProgramCache]: Analyzing trace with hash 349911090, now seen corresponding path program 1 times [2024-11-09 02:07:34,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:34,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220644185] [2024-11-09 02:07:34,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:34,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:35,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:35,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220644185] [2024-11-09 02:07:35,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220644185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:35,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:35,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:07:35,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481870975] [2024-11-09 02:07:35,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:35,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:07:35,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:35,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:07:35,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:35,498 INFO L87 Difference]: Start difference. First operand 280 states and 397 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:36,310 INFO L93 Difference]: Finished difference Result 1043 states and 1483 transitions. [2024-11-09 02:07:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:07:36,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:36,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:36,314 INFO L225 Difference]: With dead ends: 1043 [2024-11-09 02:07:36,314 INFO L226 Difference]: Without dead ends: 766 [2024-11-09 02:07:36,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:07:36,316 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:36,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1244 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 02:07:36,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-09 02:07:36,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 377. [2024-11-09 02:07:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 349 states have (on average 1.4068767908309456) internal successors, (491), 350 states have internal predecessors, (491), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 541 transitions. [2024-11-09 02:07:36,338 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 541 transitions. Word has length 180 [2024-11-09 02:07:36,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:36,339 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 541 transitions. [2024-11-09 02:07:36,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 541 transitions. [2024-11-09 02:07:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:36,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:36,341 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:36,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 02:07:36,341 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:36,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:36,341 INFO L85 PathProgramCache]: Analyzing trace with hash 553330994, now seen corresponding path program 1 times [2024-11-09 02:07:36,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:36,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153337683] [2024-11-09 02:07:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:36,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:36,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153337683] [2024-11-09 02:07:36,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153337683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:36,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:36,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:07:36,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749300329] [2024-11-09 02:07:36,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:36,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:07:36,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:36,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:07:36,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:36,932 INFO L87 Difference]: Start difference. First operand 377 states and 541 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:37,660 INFO L93 Difference]: Finished difference Result 1138 states and 1622 transitions. [2024-11-09 02:07:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:07:37,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:37,664 INFO L225 Difference]: With dead ends: 1138 [2024-11-09 02:07:37,664 INFO L226 Difference]: Without dead ends: 764 [2024-11-09 02:07:37,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:07:37,665 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 326 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:37,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 956 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 02:07:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-09 02:07:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 394. [2024-11-09 02:07:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 366 states have (on average 1.3989071038251366) internal successors, (512), 367 states have internal predecessors, (512), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 562 transitions. [2024-11-09 02:07:37,684 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 562 transitions. Word has length 180 [2024-11-09 02:07:37,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:37,685 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 562 transitions. [2024-11-09 02:07:37,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 562 transitions. [2024-11-09 02:07:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:37,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:37,687 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:37,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 02:07:37,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:37,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:37,688 INFO L85 PathProgramCache]: Analyzing trace with hash -467737360, now seen corresponding path program 1 times [2024-11-09 02:07:37,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:37,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116147376] [2024-11-09 02:07:37,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:37,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:37,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:37,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116147376] [2024-11-09 02:07:37,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116147376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:37,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:37,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 02:07:37,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252385840] [2024-11-09 02:07:37,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:37,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 02:07:37,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:37,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 02:07:37,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:07:37,987 INFO L87 Difference]: Start difference. First operand 394 states and 562 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:38,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:38,375 INFO L93 Difference]: Finished difference Result 1129 states and 1620 transitions. [2024-11-09 02:07:38,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:07:38,376 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:38,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:38,379 INFO L225 Difference]: With dead ends: 1129 [2024-11-09 02:07:38,379 INFO L226 Difference]: Without dead ends: 738 [2024-11-09 02:07:38,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 02:07:38,380 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 163 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:38,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1772 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:38,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-09 02:07:38,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 409. [2024-11-09 02:07:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 381 states have (on average 1.398950131233596) internal successors, (533), 382 states have internal predecessors, (533), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 583 transitions. [2024-11-09 02:07:38,395 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 583 transitions. Word has length 180 [2024-11-09 02:07:38,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:38,396 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 583 transitions. [2024-11-09 02:07:38,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 583 transitions. [2024-11-09 02:07:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 02:07:38,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:38,398 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:38,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 02:07:38,399 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:38,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:38,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2023508472, now seen corresponding path program 1 times [2024-11-09 02:07:38,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:38,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367032487] [2024-11-09 02:07:38,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:38,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:38,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367032487] [2024-11-09 02:07:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367032487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:38,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:38,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:07:38,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116854675] [2024-11-09 02:07:38,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:38,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:07:38,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:07:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:07:38,498 INFO L87 Difference]: Start difference. First operand 409 states and 583 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:38,522 INFO L93 Difference]: Finished difference Result 781 states and 1111 transitions. [2024-11-09 02:07:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:07:38,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 02:07:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:38,525 INFO L225 Difference]: With dead ends: 781 [2024-11-09 02:07:38,525 INFO L226 Difference]: Without dead ends: 375 [2024-11-09 02:07:38,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:07:38,526 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:38,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:38,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-09 02:07:38,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-09 02:07:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 347 states have (on average 1.3804034582132565) internal successors, (479), 348 states have internal predecessors, (479), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 529 transitions. [2024-11-09 02:07:38,539 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 529 transitions. Word has length 180 [2024-11-09 02:07:38,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:38,540 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 529 transitions. [2024-11-09 02:07:38,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 529 transitions. [2024-11-09 02:07:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 02:07:38,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:38,543 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:38,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 02:07:38,543 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:38,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:38,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1305242691, now seen corresponding path program 1 times [2024-11-09 02:07:38,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:38,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514236967] [2024-11-09 02:07:38,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:39,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:39,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514236967] [2024-11-09 02:07:39,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514236967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:39,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:39,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:39,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511811562] [2024-11-09 02:07:39,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:39,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:39,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:39,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:39,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:39,381 INFO L87 Difference]: Start difference. First operand 375 states and 529 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:39,763 INFO L93 Difference]: Finished difference Result 973 states and 1384 transitions. [2024-11-09 02:07:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:07:39,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2024-11-09 02:07:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:39,766 INFO L225 Difference]: With dead ends: 973 [2024-11-09 02:07:39,766 INFO L226 Difference]: Without dead ends: 601 [2024-11-09 02:07:39,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:07:39,768 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 259 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:39,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 407 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:39,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-09 02:07:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 331. [2024-11-09 02:07:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 303 states have (on average 1.3564356435643565) internal successors, (411), 304 states have internal predecessors, (411), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 461 transitions. [2024-11-09 02:07:39,781 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 461 transitions. Word has length 181 [2024-11-09 02:07:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:39,781 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 461 transitions. [2024-11-09 02:07:39,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 461 transitions. [2024-11-09 02:07:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 02:07:39,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:39,783 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:39,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 02:07:39,784 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:39,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:39,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1627133210, now seen corresponding path program 1 times [2024-11-09 02:07:39,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:39,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102530531] [2024-11-09 02:07:39,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:39,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:07:40,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:40,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102530531] [2024-11-09 02:07:40,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102530531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:07:40,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412754441] [2024-11-09 02:07:40,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:40,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:07:40,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:07:40,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:07:40,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:07:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:40,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 02:07:40,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:07:40,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-09 02:07:40,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2024-11-09 02:07:40,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 60 [2024-11-09 02:07:40,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-11-09 02:07:40,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2024-11-09 02:07:40,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:40,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 86 [2024-11-09 02:07:40,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:40,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 46 [2024-11-09 02:07:40,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:40,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2024-11-09 02:07:41,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:41,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2024-11-09 02:07:41,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:41,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 125 treesize of output 85 [2024-11-09 02:07:41,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:41,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 147 treesize of output 55 [2024-11-09 02:07:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:41,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:07:41,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412754441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:41,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:07:41,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2024-11-09 02:07:41,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939197411] [2024-11-09 02:07:41,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:41,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 02:07:41,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:41,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 02:07:41,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-09 02:07:41,376 INFO L87 Difference]: Start difference. First operand 331 states and 461 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:42,780 INFO L93 Difference]: Finished difference Result 1037 states and 1449 transitions. [2024-11-09 02:07:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 02:07:42,780 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 02:07:42,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:42,783 INFO L225 Difference]: With dead ends: 1037 [2024-11-09 02:07:42,783 INFO L226 Difference]: Without dead ends: 709 [2024-11-09 02:07:42,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-11-09 02:07:42,784 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 408 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:42,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 1996 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 02:07:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-09 02:07:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 324. [2024-11-09 02:07:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 296 states have (on average 1.3581081081081081) internal successors, (402), 297 states have internal predecessors, (402), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 452 transitions. [2024-11-09 02:07:42,804 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 452 transitions. Word has length 181 [2024-11-09 02:07:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:42,804 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 452 transitions. [2024-11-09 02:07:42,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 452 transitions. [2024-11-09 02:07:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 02:07:42,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:42,808 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:42,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 02:07:43,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 02:07:43,012 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:43,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:43,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1328749556, now seen corresponding path program 1 times [2024-11-09 02:07:43,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:43,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546886367] [2024-11-09 02:07:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:43,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:43,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546886367] [2024-11-09 02:07:43,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546886367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:43,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:43,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:43,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755838199] [2024-11-09 02:07:43,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:43,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:43,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:43,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:43,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:43,122 INFO L87 Difference]: Start difference. First operand 324 states and 452 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:43,163 INFO L93 Difference]: Finished difference Result 651 states and 909 transitions. [2024-11-09 02:07:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:07:43,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 02:07:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:43,166 INFO L225 Difference]: With dead ends: 651 [2024-11-09 02:07:43,166 INFO L226 Difference]: Without dead ends: 330 [2024-11-09 02:07:43,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:43,167 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:43,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 707 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:43,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-09 02:07:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-09 02:07:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.3509933774834437) internal successors, (408), 303 states have internal predecessors, (408), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 458 transitions. [2024-11-09 02:07:43,176 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 458 transitions. Word has length 181 [2024-11-09 02:07:43,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:43,177 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 458 transitions. [2024-11-09 02:07:43,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 458 transitions. [2024-11-09 02:07:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 02:07:43,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:43,178 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:43,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 02:07:43,178 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:43,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:43,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1256362998, now seen corresponding path program 1 times [2024-11-09 02:07:43,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:43,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333077272] [2024-11-09 02:07:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:43,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:43,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333077272] [2024-11-09 02:07:43,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333077272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:43,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:43,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:43,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218986178] [2024-11-09 02:07:43,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:43,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:43,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:43,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:43,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:43,544 INFO L87 Difference]: Start difference. First operand 330 states and 458 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:43,933 INFO L93 Difference]: Finished difference Result 827 states and 1148 transitions. [2024-11-09 02:07:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:43,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 02:07:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:43,935 INFO L225 Difference]: With dead ends: 827 [2024-11-09 02:07:43,935 INFO L226 Difference]: Without dead ends: 500 [2024-11-09 02:07:43,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:07:43,936 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 384 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:43,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 448 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-09 02:07:43,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 324. [2024-11-09 02:07:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 296 states have (on average 1.3513513513513513) internal successors, (400), 297 states have internal predecessors, (400), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 450 transitions. [2024-11-09 02:07:43,948 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 450 transitions. Word has length 181 [2024-11-09 02:07:43,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:43,948 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 450 transitions. [2024-11-09 02:07:43,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 450 transitions. [2024-11-09 02:07:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 02:07:43,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:43,949 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:43,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 02:07:43,949 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:43,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:43,949 INFO L85 PathProgramCache]: Analyzing trace with hash 588487610, now seen corresponding path program 1 times [2024-11-09 02:07:43,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:43,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814898223] [2024-11-09 02:07:43,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:44,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:44,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814898223] [2024-11-09 02:07:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814898223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:44,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:44,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314660741] [2024-11-09 02:07:44,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:44,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:44,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:44,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:44,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:44,444 INFO L87 Difference]: Start difference. First operand 324 states and 450 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:44,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:44,821 INFO L93 Difference]: Finished difference Result 815 states and 1134 transitions. [2024-11-09 02:07:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:44,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 02:07:44,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:44,824 INFO L225 Difference]: With dead ends: 815 [2024-11-09 02:07:44,824 INFO L226 Difference]: Without dead ends: 494 [2024-11-09 02:07:44,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:07:44,825 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 469 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:44,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 284 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-09 02:07:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 324. [2024-11-09 02:07:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 296 states have (on average 1.3445945945945945) internal successors, (398), 297 states have internal predecessors, (398), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 448 transitions. [2024-11-09 02:07:44,839 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 448 transitions. Word has length 181 [2024-11-09 02:07:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:44,839 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 448 transitions. [2024-11-09 02:07:44,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 448 transitions. [2024-11-09 02:07:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 02:07:44,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:44,849 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:44,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 02:07:44,849 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:44,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:44,849 INFO L85 PathProgramCache]: Analyzing trace with hash -432580744, now seen corresponding path program 1 times [2024-11-09 02:07:44,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:44,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818726916] [2024-11-09 02:07:44,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:44,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:07:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818726916] [2024-11-09 02:07:45,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818726916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:07:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388241626] [2024-11-09 02:07:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:45,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:07:45,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:07:45,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:07:45,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 02:07:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:45,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 02:07:45,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:07:45,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-09 02:07:45,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:07:45,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2024-11-09 02:07:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:07:45,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:07:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:45,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388241626] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 02:07:45,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 02:07:45,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 9] total 16 [2024-11-09 02:07:45,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063795656] [2024-11-09 02:07:45,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:45,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:45,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:45,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:45,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:07:45,770 INFO L87 Difference]: Start difference. First operand 324 states and 448 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:46,021 INFO L93 Difference]: Finished difference Result 789 states and 1098 transitions. [2024-11-09 02:07:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:46,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 02:07:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:46,024 INFO L225 Difference]: With dead ends: 789 [2024-11-09 02:07:46,024 INFO L226 Difference]: Without dead ends: 468 [2024-11-09 02:07:46,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-09 02:07:46,025 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 128 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:46,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1167 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:46,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-09 02:07:46,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 322. [2024-11-09 02:07:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 294 states have (on average 1.346938775510204) internal successors, (396), 295 states have internal predecessors, (396), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 446 transitions. [2024-11-09 02:07:46,038 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 446 transitions. Word has length 181 [2024-11-09 02:07:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:46,038 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 446 transitions. [2024-11-09 02:07:46,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 446 transitions. [2024-11-09 02:07:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 02:07:46,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:46,039 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:46,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 02:07:46,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 02:07:46,240 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:46,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1059094451, now seen corresponding path program 1 times [2024-11-09 02:07:46,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:46,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734265162] [2024-11-09 02:07:46,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:46,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:46,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:46,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734265162] [2024-11-09 02:07:46,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734265162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:46,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:46,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 02:07:46,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599636868] [2024-11-09 02:07:46,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:46,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:07:46,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:46,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:07:46,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:07:46,316 INFO L87 Difference]: Start difference. First operand 322 states and 446 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:46,330 INFO L93 Difference]: Finished difference Result 642 states and 891 transitions. [2024-11-09 02:07:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:07:46,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-09 02:07:46,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:46,332 INFO L225 Difference]: With dead ends: 642 [2024-11-09 02:07:46,332 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 02:07:46,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:07:46,333 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:46,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:46,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 02:07:46,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-09 02:07:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 295 states have (on average 1.3457627118644069) internal successors, (397), 296 states have internal predecessors, (397), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 447 transitions. [2024-11-09 02:07:46,344 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 447 transitions. Word has length 182 [2024-11-09 02:07:46,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:46,345 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 447 transitions. [2024-11-09 02:07:46,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 447 transitions. [2024-11-09 02:07:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 02:07:46,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:46,346 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:46,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 02:07:46,346 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:46,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:46,346 INFO L85 PathProgramCache]: Analyzing trace with hash -2088453749, now seen corresponding path program 1 times [2024-11-09 02:07:46,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:46,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541489252] [2024-11-09 02:07:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:46,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:46,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541489252] [2024-11-09 02:07:46,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541489252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:46,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:46,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909096783] [2024-11-09 02:07:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:46,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:46,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:46,467 INFO L87 Difference]: Start difference. First operand 323 states and 447 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:46,679 INFO L93 Difference]: Finished difference Result 815 states and 1125 transitions. [2024-11-09 02:07:46,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:07:46,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-09 02:07:46,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:46,682 INFO L225 Difference]: With dead ends: 815 [2024-11-09 02:07:46,682 INFO L226 Difference]: Without dead ends: 495 [2024-11-09 02:07:46,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:46,684 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 93 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:46,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 592 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:46,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-09 02:07:46,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 323. [2024-11-09 02:07:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 295 states have (on average 1.3423728813559321) internal successors, (396), 296 states have internal predecessors, (396), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 446 transitions. [2024-11-09 02:07:46,698 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 446 transitions. Word has length 182 [2024-11-09 02:07:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:46,698 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 446 transitions. [2024-11-09 02:07:46,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 446 transitions. [2024-11-09 02:07:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 02:07:46,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:46,699 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:46,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 02:07:46,699 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:46,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:46,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1812146761, now seen corresponding path program 1 times [2024-11-09 02:07:46,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:46,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588078444] [2024-11-09 02:07:46,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:46,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:46,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:46,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588078444] [2024-11-09 02:07:46,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588078444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:46,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:46,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270542988] [2024-11-09 02:07:46,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:46,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:46,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:46,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:46,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:46,846 INFO L87 Difference]: Start difference. First operand 323 states and 446 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:46,977 INFO L93 Difference]: Finished difference Result 557 states and 767 transitions. [2024-11-09 02:07:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:07:46,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-09 02:07:46,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:46,979 INFO L225 Difference]: With dead ends: 557 [2024-11-09 02:07:46,979 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 02:07:46,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:46,980 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:46,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 551 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 02:07:46,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 02:07:46,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 235. [2024-11-09 02:07:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 207 states have (on average 1.3091787439613527) internal successors, (271), 208 states have internal predecessors, (271), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 321 transitions. [2024-11-09 02:07:46,991 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 321 transitions. Word has length 182 [2024-11-09 02:07:46,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:46,992 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 321 transitions. [2024-11-09 02:07:46,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 321 transitions. [2024-11-09 02:07:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 02:07:46,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:46,993 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:46,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 02:07:46,993 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:46,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash -121930257, now seen corresponding path program 1 times [2024-11-09 02:07:46,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:46,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714212450] [2024-11-09 02:07:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:47,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:47,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714212450] [2024-11-09 02:07:47,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714212450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:47,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:47,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:47,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627743995] [2024-11-09 02:07:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:47,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:47,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:47,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:47,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:47,909 INFO L87 Difference]: Start difference. First operand 235 states and 321 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:48,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:48,160 INFO L93 Difference]: Finished difference Result 640 states and 874 transitions. [2024-11-09 02:07:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:48,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2024-11-09 02:07:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:48,162 INFO L225 Difference]: With dead ends: 640 [2024-11-09 02:07:48,162 INFO L226 Difference]: Without dead ends: 408 [2024-11-09 02:07:48,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:48,164 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 74 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:48,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 543 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:48,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-09 02:07:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 334. [2024-11-09 02:07:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 306 states have (on average 1.303921568627451) internal successors, (399), 307 states have internal predecessors, (399), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2024-11-09 02:07:48,176 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 183 [2024-11-09 02:07:48,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:48,177 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2024-11-09 02:07:48,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2024-11-09 02:07:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 02:07:48,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:48,178 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:48,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 02:07:48,178 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:48,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1157933421, now seen corresponding path program 1 times [2024-11-09 02:07:48,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:48,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704299083] [2024-11-09 02:07:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:48,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:48,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:48,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704299083] [2024-11-09 02:07:48,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704299083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:48,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:48,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 02:07:48,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611552934] [2024-11-09 02:07:48,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:48,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 02:07:48,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:48,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 02:07:48,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:07:48,693 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:48,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:48,949 INFO L93 Difference]: Finished difference Result 729 states and 984 transitions. [2024-11-09 02:07:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:07:48,950 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-09 02:07:48,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:48,952 INFO L225 Difference]: With dead ends: 729 [2024-11-09 02:07:48,952 INFO L226 Difference]: Without dead ends: 398 [2024-11-09 02:07:48,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 02:07:48,953 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 148 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:48,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1114 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:48,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-09 02:07:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 340. [2024-11-09 02:07:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 312 states have (on average 1.2980769230769231) internal successors, (405), 313 states have internal predecessors, (405), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 455 transitions. [2024-11-09 02:07:48,965 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 455 transitions. Word has length 183 [2024-11-09 02:07:48,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:48,965 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 455 transitions. [2024-11-09 02:07:48,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 455 transitions. [2024-11-09 02:07:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 02:07:48,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:48,966 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:48,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 02:07:48,966 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:48,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:48,967 INFO L85 PathProgramCache]: Analyzing trace with hash 351981714, now seen corresponding path program 1 times [2024-11-09 02:07:48,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:48,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967555015] [2024-11-09 02:07:48,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:48,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:49,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:49,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967555015] [2024-11-09 02:07:49,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967555015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:49,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:49,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 02:07:49,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109027679] [2024-11-09 02:07:49,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:49,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:07:49,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:49,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:07:49,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:07:49,038 INFO L87 Difference]: Start difference. First operand 340 states and 455 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:49,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:49,055 INFO L93 Difference]: Finished difference Result 679 states and 911 transitions. [2024-11-09 02:07:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:07:49,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-09 02:07:49,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:49,056 INFO L225 Difference]: With dead ends: 679 [2024-11-09 02:07:49,057 INFO L226 Difference]: Without dead ends: 342 [2024-11-09 02:07:49,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:07:49,060 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:49,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:49,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-09 02:07:49,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-09 02:07:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 314 states have (on average 1.2961783439490446) internal successors, (407), 315 states have internal predecessors, (407), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 457 transitions. [2024-11-09 02:07:49,076 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 457 transitions. Word has length 185 [2024-11-09 02:07:49,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:49,076 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 457 transitions. [2024-11-09 02:07:49,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 457 transitions. [2024-11-09 02:07:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 02:07:49,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:49,077 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:49,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 02:07:49,077 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:49,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:49,078 INFO L85 PathProgramCache]: Analyzing trace with hash -812719466, now seen corresponding path program 1 times [2024-11-09 02:07:49,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:49,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422176970] [2024-11-09 02:07:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:49,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:49,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:49,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422176970] [2024-11-09 02:07:49,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422176970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:49,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:49,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:49,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011315688] [2024-11-09 02:07:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:49,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:49,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:49,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:49,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:49,215 INFO L87 Difference]: Start difference. First operand 342 states and 457 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:49,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:49,376 INFO L93 Difference]: Finished difference Result 749 states and 1004 transitions. [2024-11-09 02:07:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:07:49,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-09 02:07:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:49,378 INFO L225 Difference]: With dead ends: 749 [2024-11-09 02:07:49,378 INFO L226 Difference]: Without dead ends: 410 [2024-11-09 02:07:49,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:49,379 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 51 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:49,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 549 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 02:07:49,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-09 02:07:49,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 342. [2024-11-09 02:07:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 314 states have (on average 1.2898089171974523) internal successors, (405), 315 states have internal predecessors, (405), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 455 transitions. [2024-11-09 02:07:49,396 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 455 transitions. Word has length 185 [2024-11-09 02:07:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:49,396 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 455 transitions. [2024-11-09 02:07:49,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2024-11-09 02:07:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 02:07:49,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:49,400 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:49,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 02:07:49,400 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:49,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:49,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2092583144, now seen corresponding path program 1 times [2024-11-09 02:07:49,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:49,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717542599] [2024-11-09 02:07:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:49,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:49,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:49,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717542599] [2024-11-09 02:07:49,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717542599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:49,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:49,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:07:49,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851012281] [2024-11-09 02:07:49,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:49,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:07:49,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:07:49,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:07:49,538 INFO L87 Difference]: Start difference. First operand 342 states and 455 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:49,626 INFO L93 Difference]: Finished difference Result 671 states and 895 transitions. [2024-11-09 02:07:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:07:49,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-09 02:07:49,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:49,628 INFO L225 Difference]: With dead ends: 671 [2024-11-09 02:07:49,628 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 02:07:49,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:07:49,629 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:49,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 435 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 02:07:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 02:07:49,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2024-11-09 02:07:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.2880794701986755) internal successors, (389), 303 states have internal predecessors, (389), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 439 transitions. [2024-11-09 02:07:49,640 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 439 transitions. Word has length 185 [2024-11-09 02:07:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:49,640 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 439 transitions. [2024-11-09 02:07:49,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 439 transitions. [2024-11-09 02:07:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 02:07:49,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:49,642 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:49,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 02:07:49,642 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:49,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:49,642 INFO L85 PathProgramCache]: Analyzing trace with hash -940134299, now seen corresponding path program 1 times [2024-11-09 02:07:49,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:49,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27535355] [2024-11-09 02:07:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:50,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27535355] [2024-11-09 02:07:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27535355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:50,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:50,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:07:50,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757475712] [2024-11-09 02:07:50,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:50,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:07:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:50,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:07:50,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:07:50,180 INFO L87 Difference]: Start difference. First operand 330 states and 439 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:50,615 INFO L93 Difference]: Finished difference Result 890 states and 1171 transitions. [2024-11-09 02:07:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:07:50,615 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-09 02:07:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:50,617 INFO L225 Difference]: With dead ends: 890 [2024-11-09 02:07:50,617 INFO L226 Difference]: Without dead ends: 563 [2024-11-09 02:07:50,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:07:50,619 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 141 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:50,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1264 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:07:50,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-09 02:07:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 422. [2024-11-09 02:07:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 394 states have (on average 1.251269035532995) internal successors, (493), 395 states have internal predecessors, (493), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 543 transitions. [2024-11-09 02:07:50,633 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 543 transitions. Word has length 187 [2024-11-09 02:07:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:50,633 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 543 transitions. [2024-11-09 02:07:50,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 543 transitions. [2024-11-09 02:07:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 02:07:50,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:50,635 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:50,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 02:07:50,635 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:50,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:50,635 INFO L85 PathProgramCache]: Analyzing trace with hash -681968861, now seen corresponding path program 1 times [2024-11-09 02:07:50,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:50,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528904654] [2024-11-09 02:07:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:50,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:50,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528904654] [2024-11-09 02:07:50,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528904654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:50,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:50,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:07:50,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001010906] [2024-11-09 02:07:50,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:50,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:07:50,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:50,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:07:50,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:07:50,716 INFO L87 Difference]: Start difference. First operand 422 states and 543 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:50,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:50,738 INFO L93 Difference]: Finished difference Result 851 states and 1097 transitions. [2024-11-09 02:07:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:07:50,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-09 02:07:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:50,741 INFO L225 Difference]: With dead ends: 851 [2024-11-09 02:07:50,741 INFO L226 Difference]: Without dead ends: 432 [2024-11-09 02:07:50,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:07:50,742 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:50,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 502 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:50,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-09 02:07:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2024-11-09 02:07:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 402 states have (on average 1.2462686567164178) internal successors, (501), 403 states have internal predecessors, (501), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:07:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 551 transitions. [2024-11-09 02:07:50,754 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 551 transitions. Word has length 187 [2024-11-09 02:07:50,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:50,754 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 551 transitions. [2024-11-09 02:07:50,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 551 transitions. [2024-11-09 02:07:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-09 02:07:50,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:50,756 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:50,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 02:07:50,756 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:50,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:50,756 INFO L85 PathProgramCache]: Analyzing trace with hash 80479717, now seen corresponding path program 1 times [2024-11-09 02:07:50,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:50,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370996787] [2024-11-09 02:07:50,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:50,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:51,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:51,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370996787] [2024-11-09 02:07:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370996787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:51,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:51,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610162067] [2024-11-09 02:07:51,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:51,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:51,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:51,644 INFO L87 Difference]: Start difference. First operand 430 states and 551 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:51,911 INFO L93 Difference]: Finished difference Result 942 states and 1201 transitions. [2024-11-09 02:07:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:51,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-09 02:07:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:51,914 INFO L225 Difference]: With dead ends: 942 [2024-11-09 02:07:51,914 INFO L226 Difference]: Without dead ends: 515 [2024-11-09 02:07:51,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:51,915 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 137 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:51,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 621 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:51,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-09 02:07:51,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 334. [2024-11-09 02:07:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 308 states have (on average 1.2435064935064934) internal successors, (383), 308 states have internal predecessors, (383), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 02:07:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 429 transitions. [2024-11-09 02:07:51,936 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 429 transitions. Word has length 188 [2024-11-09 02:07:51,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:51,937 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 429 transitions. [2024-11-09 02:07:51,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 429 transitions. [2024-11-09 02:07:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 02:07:51,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:51,938 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:51,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 02:07:51,939 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:51,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:51,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1326640703, now seen corresponding path program 1 times [2024-11-09 02:07:51,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:51,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120898280] [2024-11-09 02:07:51,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:51,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:52,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:52,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120898280] [2024-11-09 02:07:52,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120898280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:52,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:52,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421247380] [2024-11-09 02:07:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:52,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:52,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:52,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:52,912 INFO L87 Difference]: Start difference. First operand 334 states and 429 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:53,116 INFO L93 Difference]: Finished difference Result 700 states and 899 transitions. [2024-11-09 02:07:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:07:53,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2024-11-09 02:07:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:53,118 INFO L225 Difference]: With dead ends: 700 [2024-11-09 02:07:53,118 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 02:07:53,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:53,119 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 115 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:53,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 526 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:53,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 02:07:53,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2024-11-09 02:07:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 308 states have (on average 1.2402597402597402) internal successors, (382), 308 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 02:07:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 428 transitions. [2024-11-09 02:07:53,130 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 428 transitions. Word has length 189 [2024-11-09 02:07:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:53,130 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 428 transitions. [2024-11-09 02:07:53,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 428 transitions. [2024-11-09 02:07:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:07:53,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:53,132 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:53,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 02:07:53,132 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:53,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 186419967, now seen corresponding path program 1 times [2024-11-09 02:07:53,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:53,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490754195] [2024-11-09 02:07:53,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:53,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:53,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:53,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:54,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:54,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490754195] [2024-11-09 02:07:54,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490754195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:54,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:54,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:07:54,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516032584] [2024-11-09 02:07:54,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:54,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:07:54,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:54,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:07:54,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:07:54,016 INFO L87 Difference]: Start difference. First operand 334 states and 428 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:54,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:54,262 INFO L93 Difference]: Finished difference Result 784 states and 1002 transitions. [2024-11-09 02:07:54,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:07:54,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 02:07:54,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:54,264 INFO L225 Difference]: With dead ends: 784 [2024-11-09 02:07:54,264 INFO L226 Difference]: Without dead ends: 453 [2024-11-09 02:07:54,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:07:54,265 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 69 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:54,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 697 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:07:54,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-09 02:07:54,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 448. [2024-11-09 02:07:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 416 states have (on average 1.2451923076923077) internal successors, (518), 417 states have internal predecessors, (518), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 02:07:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 572 transitions. [2024-11-09 02:07:54,282 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 572 transitions. Word has length 190 [2024-11-09 02:07:54,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:54,283 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 572 transitions. [2024-11-09 02:07:54,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 572 transitions. [2024-11-09 02:07:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:07:54,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:54,284 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:54,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 02:07:54,285 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:54,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1466283645, now seen corresponding path program 1 times [2024-11-09 02:07:54,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:54,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742240442] [2024-11-09 02:07:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:54,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:54,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742240442] [2024-11-09 02:07:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742240442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:07:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020850801] [2024-11-09 02:07:54,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:54,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:07:54,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:54,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:07:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:54,396 INFO L87 Difference]: Start difference. First operand 448 states and 572 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:54,428 INFO L93 Difference]: Finished difference Result 897 states and 1146 transitions. [2024-11-09 02:07:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:07:54,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2024-11-09 02:07:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:54,444 INFO L225 Difference]: With dead ends: 897 [2024-11-09 02:07:54,444 INFO L226 Difference]: Without dead ends: 452 [2024-11-09 02:07:54,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:07:54,445 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:54,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 664 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:07:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-09 02:07:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 449. [2024-11-09 02:07:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 417 states have (on average 1.2398081534772183) internal successors, (517), 418 states have internal predecessors, (517), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 02:07:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 571 transitions. [2024-11-09 02:07:54,462 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 571 transitions. Word has length 190 [2024-11-09 02:07:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:54,463 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 571 transitions. [2024-11-09 02:07:54,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:07:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 571 transitions. [2024-11-09 02:07:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:07:54,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:54,464 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:54,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 02:07:54,464 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:54,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:54,464 INFO L85 PathProgramCache]: Analyzing trace with hash 434566461, now seen corresponding path program 1 times [2024-11-09 02:07:54,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:54,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976840560] [2024-11-09 02:07:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:55,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:55,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:55,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976840560] [2024-11-09 02:07:55,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976840560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:55,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:55,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:07:55,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251343395] [2024-11-09 02:07:55,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:55,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:07:55,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:55,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:07:55,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:07:55,451 INFO L87 Difference]: Start difference. First operand 449 states and 571 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:55,849 INFO L93 Difference]: Finished difference Result 945 states and 1201 transitions. [2024-11-09 02:07:55,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 02:07:55,851 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 02:07:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:55,853 INFO L225 Difference]: With dead ends: 945 [2024-11-09 02:07:55,854 INFO L226 Difference]: Without dead ends: 499 [2024-11-09 02:07:55,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-09 02:07:55,856 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 249 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:55,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1253 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:07:55,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-09 02:07:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 492. [2024-11-09 02:07:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 452 states have (on average 1.238938053097345) internal successors, (560), 454 states have internal predecessors, (560), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 02:07:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 626 transitions. [2024-11-09 02:07:55,877 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 626 transitions. Word has length 190 [2024-11-09 02:07:55,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:55,877 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 626 transitions. [2024-11-09 02:07:55,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 626 transitions. [2024-11-09 02:07:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:07:55,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:55,879 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:55,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 02:07:55,879 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:55,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:55,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1668966143, now seen corresponding path program 1 times [2024-11-09 02:07:55,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:55,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477453692] [2024-11-09 02:07:55,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:56,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:56,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477453692] [2024-11-09 02:07:56,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477453692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:56,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:56,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:07:56,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176779630] [2024-11-09 02:07:56,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:56,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:07:56,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:56,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:07:56,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:07:56,761 INFO L87 Difference]: Start difference. First operand 492 states and 626 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:57,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:57,096 INFO L93 Difference]: Finished difference Result 1025 states and 1305 transitions. [2024-11-09 02:07:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:07:57,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 02:07:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:57,098 INFO L225 Difference]: With dead ends: 1025 [2024-11-09 02:07:57,098 INFO L226 Difference]: Without dead ends: 536 [2024-11-09 02:07:57,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-09 02:07:57,099 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 277 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:57,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1034 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:07:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-09 02:07:57,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 492. [2024-11-09 02:07:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 452 states have (on average 1.2367256637168142) internal successors, (559), 454 states have internal predecessors, (559), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 02:07:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 625 transitions. [2024-11-09 02:07:57,122 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 625 transitions. Word has length 190 [2024-11-09 02:07:57,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:57,122 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 625 transitions. [2024-11-09 02:07:57,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 625 transitions. [2024-11-09 02:07:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:07:57,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:57,123 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:57,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 02:07:57,124 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:57,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:57,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1410800705, now seen corresponding path program 1 times [2024-11-09 02:07:57,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:57,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785392002] [2024-11-09 02:07:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:57,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:07:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:07:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:07:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:07:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:07:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:07:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:07:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:07:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:07:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:07:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:07:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:07:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:07:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:07:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:07:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:07:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:07:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:07:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:07:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:07:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:07:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:07:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:07:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:07:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:07:58,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:07:58,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785392002] [2024-11-09 02:07:58,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785392002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:07:58,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:07:58,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 02:07:58,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257630499] [2024-11-09 02:07:58,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:07:58,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 02:07:58,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:07:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 02:07:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:07:58,394 INFO L87 Difference]: Start difference. First operand 492 states and 625 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:07:59,075 INFO L93 Difference]: Finished difference Result 1108 states and 1403 transitions. [2024-11-09 02:07:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:07:59,076 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 02:07:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:07:59,078 INFO L225 Difference]: With dead ends: 1108 [2024-11-09 02:07:59,078 INFO L226 Difference]: Without dead ends: 619 [2024-11-09 02:07:59,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-09 02:07:59,080 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 162 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 02:07:59,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1477 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 02:07:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-09 02:07:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 564. [2024-11-09 02:07:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 513 states have (on average 1.230019493177388) internal successors, (631), 516 states have internal predecessors, (631), 41 states have call successors, (41), 9 states have call predecessors, (41), 9 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 02:07:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 713 transitions. [2024-11-09 02:07:59,109 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 713 transitions. Word has length 190 [2024-11-09 02:07:59,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:07:59,109 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 713 transitions. [2024-11-09 02:07:59,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:07:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 713 transitions. [2024-11-09 02:07:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:07:59,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:07:59,111 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:07:59,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 02:07:59,111 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:07:59,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:07:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1779725185, now seen corresponding path program 1 times [2024-11-09 02:07:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:07:59,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884022272] [2024-11-09 02:07:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:07:59,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:07:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:00,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:00,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884022272] [2024-11-09 02:08:00,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884022272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:00,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:00,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:08:00,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634810488] [2024-11-09 02:08:00,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:00,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:08:00,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:00,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:08:00,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:08:00,229 INFO L87 Difference]: Start difference. First operand 564 states and 713 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:00,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:00,704 INFO L93 Difference]: Finished difference Result 1205 states and 1519 transitions. [2024-11-09 02:08:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 02:08:00,705 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 02:08:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:00,707 INFO L225 Difference]: With dead ends: 1205 [2024-11-09 02:08:00,707 INFO L226 Difference]: Without dead ends: 644 [2024-11-09 02:08:00,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:08:00,708 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 200 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:00,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 959 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:08:00,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-09 02:08:00,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 580. [2024-11-09 02:08:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 528 states have (on average 1.2272727272727273) internal successors, (648), 531 states have internal predecessors, (648), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 02:08:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 730 transitions. [2024-11-09 02:08:00,737 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 730 transitions. Word has length 190 [2024-11-09 02:08:00,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:00,737 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 730 transitions. [2024-11-09 02:08:00,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 730 transitions. [2024-11-09 02:08:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:08:00,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:00,739 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:00,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 02:08:00,739 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:00,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:00,739 INFO L85 PathProgramCache]: Analyzing trace with hash -758026945, now seen corresponding path program 1 times [2024-11-09 02:08:00,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:00,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296257306] [2024-11-09 02:08:00,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:01,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:01,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296257306] [2024-11-09 02:08:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296257306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:01,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:01,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:08:01,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008555844] [2024-11-09 02:08:01,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:01,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:08:01,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:01,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:08:01,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:08:01,521 INFO L87 Difference]: Start difference. First operand 580 states and 730 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:01,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:01,781 INFO L93 Difference]: Finished difference Result 1161 states and 1458 transitions. [2024-11-09 02:08:01,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:08:01,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 02:08:01,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:01,784 INFO L225 Difference]: With dead ends: 1161 [2024-11-09 02:08:01,784 INFO L226 Difference]: Without dead ends: 584 [2024-11-09 02:08:01,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:08:01,785 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 73 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:01,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 705 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:08:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-09 02:08:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 568. [2024-11-09 02:08:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 514 states have (on average 1.2237354085603114) internal successors, (629), 517 states have internal predecessors, (629), 41 states have call successors, (41), 12 states have call predecessors, (41), 12 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 02:08:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 711 transitions. [2024-11-09 02:08:01,816 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 711 transitions. Word has length 190 [2024-11-09 02:08:01,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:01,816 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 711 transitions. [2024-11-09 02:08:01,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 711 transitions. [2024-11-09 02:08:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 02:08:01,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:01,817 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:01,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 02:08:01,818 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:01,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:01,818 INFO L85 PathProgramCache]: Analyzing trace with hash 980903997, now seen corresponding path program 1 times [2024-11-09 02:08:01,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:01,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546517603] [2024-11-09 02:08:01,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:02,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:02,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546517603] [2024-11-09 02:08:02,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546517603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:02,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:02,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:08:02,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540827091] [2024-11-09 02:08:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:02,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:08:02,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:08:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:08:02,839 INFO L87 Difference]: Start difference. First operand 568 states and 711 transitions. Second operand has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 11 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-09 02:08:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:03,525 INFO L93 Difference]: Finished difference Result 1638 states and 2042 transitions. [2024-11-09 02:08:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:08:03,526 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 11 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 191 [2024-11-09 02:08:03,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:03,531 INFO L225 Difference]: With dead ends: 1638 [2024-11-09 02:08:03,531 INFO L226 Difference]: Without dead ends: 1073 [2024-11-09 02:08:03,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:08:03,533 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 210 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:03,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 964 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 02:08:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-09 02:08:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1040. [2024-11-09 02:08:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 942 states have (on average 1.208067940552017) internal successors, (1138), 949 states have internal predecessors, (1138), 73 states have call successors, (73), 24 states have call predecessors, (73), 24 states have return successors, (73), 66 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 02:08:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1284 transitions. [2024-11-09 02:08:03,634 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1284 transitions. Word has length 191 [2024-11-09 02:08:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:03,635 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1284 transitions. [2024-11-09 02:08:03,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 11 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-09 02:08:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1284 transitions. [2024-11-09 02:08:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 02:08:03,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:03,637 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:03,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 02:08:03,637 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:03,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:03,638 INFO L85 PathProgramCache]: Analyzing trace with hash -48455301, now seen corresponding path program 1 times [2024-11-09 02:08:03,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:03,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28081740] [2024-11-09 02:08:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:04,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:04,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28081740] [2024-11-09 02:08:04,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28081740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:04,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:04,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 02:08:04,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130774] [2024-11-09 02:08:04,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:04,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 02:08:04,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:04,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 02:08:04,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 02:08:04,409 INFO L87 Difference]: Start difference. First operand 1040 states and 1284 transitions. Second operand has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-09 02:08:04,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:04,857 INFO L93 Difference]: Finished difference Result 2602 states and 3215 transitions. [2024-11-09 02:08:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 02:08:04,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 191 [2024-11-09 02:08:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:04,862 INFO L225 Difference]: With dead ends: 2602 [2024-11-09 02:08:04,862 INFO L226 Difference]: Without dead ends: 1565 [2024-11-09 02:08:04,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:08:04,864 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 260 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:04,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 877 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:08:04,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-11-09 02:08:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1554. [2024-11-09 02:08:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1414 states have (on average 1.2065063649222065) internal successors, (1706), 1425 states have internal predecessors, (1706), 103 states have call successors, (103), 36 states have call predecessors, (103), 36 states have return successors, (103), 92 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-09 02:08:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1912 transitions. [2024-11-09 02:08:04,949 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1912 transitions. Word has length 191 [2024-11-09 02:08:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:04,949 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 1912 transitions. [2024-11-09 02:08:04,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-09 02:08:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1912 transitions. [2024-11-09 02:08:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 02:08:04,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:04,951 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:04,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 02:08:04,952 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:04,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:04,952 INFO L85 PathProgramCache]: Analyzing trace with hash -441482311, now seen corresponding path program 1 times [2024-11-09 02:08:04,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:04,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994020410] [2024-11-09 02:08:04,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:04,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:05,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:05,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994020410] [2024-11-09 02:08:05,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994020410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:05,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:05,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 02:08:05,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622733998] [2024-11-09 02:08:05,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:05,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 02:08:05,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:05,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 02:08:05,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 02:08:05,362 INFO L87 Difference]: Start difference. First operand 1554 states and 1912 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:08:05,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:05,795 INFO L93 Difference]: Finished difference Result 3761 states and 4632 transitions. [2024-11-09 02:08:05,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:08:05,802 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-09 02:08:05,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:05,808 INFO L225 Difference]: With dead ends: 3761 [2024-11-09 02:08:05,808 INFO L226 Difference]: Without dead ends: 2210 [2024-11-09 02:08:05,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:08:05,810 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 138 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:05,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1576 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:08:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2024-11-09 02:08:05,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1862. [2024-11-09 02:08:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1722 states have (on average 1.2003484320557491) internal successors, (2067), 1733 states have internal predecessors, (2067), 103 states have call successors, (103), 36 states have call predecessors, (103), 36 states have return successors, (103), 92 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-09 02:08:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2273 transitions. [2024-11-09 02:08:05,901 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2273 transitions. Word has length 191 [2024-11-09 02:08:05,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:05,902 INFO L471 AbstractCegarLoop]: Abstraction has 1862 states and 2273 transitions. [2024-11-09 02:08:05,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:08:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2273 transitions. [2024-11-09 02:08:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 02:08:05,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:05,904 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:05,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 02:08:05,905 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:05,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:05,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1420262599, now seen corresponding path program 1 times [2024-11-09 02:08:05,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:05,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173009241] [2024-11-09 02:08:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:05,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:06,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:06,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173009241] [2024-11-09 02:08:06,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173009241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:06,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:06,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:08:06,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738733493] [2024-11-09 02:08:06,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:06,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:08:06,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:06,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:08:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:08:06,584 INFO L87 Difference]: Start difference. First operand 1862 states and 2273 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:06,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:06,962 INFO L93 Difference]: Finished difference Result 4689 states and 5700 transitions. [2024-11-09 02:08:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:08:06,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-09 02:08:06,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:06,969 INFO L225 Difference]: With dead ends: 4689 [2024-11-09 02:08:06,969 INFO L226 Difference]: Without dead ends: 2830 [2024-11-09 02:08:06,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:08:06,971 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 79 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:06,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 688 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:08:06,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2024-11-09 02:08:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2821. [2024-11-09 02:08:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2586 states have (on average 1.1879350348027842) internal successors, (3072), 2606 states have internal predecessors, (3072), 169 states have call successors, (169), 65 states have call predecessors, (169), 65 states have return successors, (169), 149 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-09 02:08:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3410 transitions. [2024-11-09 02:08:07,138 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3410 transitions. Word has length 191 [2024-11-09 02:08:07,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:07,139 INFO L471 AbstractCegarLoop]: Abstraction has 2821 states and 3410 transitions. [2024-11-09 02:08:07,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3410 transitions. [2024-11-09 02:08:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 02:08:07,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:07,142 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:07,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 02:08:07,142 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:07,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:07,143 INFO L85 PathProgramCache]: Analyzing trace with hash 76398493, now seen corresponding path program 1 times [2024-11-09 02:08:07,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:07,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105331894] [2024-11-09 02:08:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:07,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105331894] [2024-11-09 02:08:07,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105331894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:07,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:07,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:08:07,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751688488] [2024-11-09 02:08:07,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:07,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:08:07,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:07,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:08:07,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:08:07,945 INFO L87 Difference]: Start difference. First operand 2821 states and 3410 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:08,686 INFO L93 Difference]: Finished difference Result 7404 states and 9027 transitions. [2024-11-09 02:08:08,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:08:08,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-09 02:08:08,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:08,698 INFO L225 Difference]: With dead ends: 7404 [2024-11-09 02:08:08,698 INFO L226 Difference]: Without dead ends: 4627 [2024-11-09 02:08:08,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:08:08,701 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 252 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:08,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 992 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 02:08:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2024-11-09 02:08:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 3719. [2024-11-09 02:08:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3719 states, 3384 states have (on average 1.16903073286052) internal successors, (3956), 3414 states have internal predecessors, (3956), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-09 02:08:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4434 transitions. [2024-11-09 02:08:08,916 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4434 transitions. Word has length 191 [2024-11-09 02:08:08,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:08,916 INFO L471 AbstractCegarLoop]: Abstraction has 3719 states and 4434 transitions. [2024-11-09 02:08:08,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4434 transitions. [2024-11-09 02:08:08,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-09 02:08:08,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:08,920 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:08,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 02:08:08,921 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:08,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1720064963, now seen corresponding path program 1 times [2024-11-09 02:08:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147872772] [2024-11-09 02:08:08,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:10,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:10,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147872772] [2024-11-09 02:08:10,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147872772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:10,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:10,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 02:08:10,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826052732] [2024-11-09 02:08:10,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:10,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 02:08:10,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:10,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 02:08:10,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:08:10,062 INFO L87 Difference]: Start difference. First operand 3719 states and 4434 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:11,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:11,504 INFO L93 Difference]: Finished difference Result 11088 states and 13150 transitions. [2024-11-09 02:08:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 02:08:11,505 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-09 02:08:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:11,519 INFO L225 Difference]: With dead ends: 11088 [2024-11-09 02:08:11,519 INFO L226 Difference]: Without dead ends: 7413 [2024-11-09 02:08:11,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-09 02:08:11,526 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 334 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1655 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:11,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1655 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 02:08:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7413 states. [2024-11-09 02:08:11,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7413 to 3863. [2024-11-09 02:08:11,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 3528 states have (on average 1.1689342403628118) internal successors, (4124), 3558 states have internal predecessors, (4124), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-09 02:08:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 4602 transitions. [2024-11-09 02:08:11,789 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 4602 transitions. Word has length 192 [2024-11-09 02:08:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:11,790 INFO L471 AbstractCegarLoop]: Abstraction has 3863 states and 4602 transitions. [2024-11-09 02:08:11,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 4602 transitions. [2024-11-09 02:08:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-09 02:08:11,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:11,794 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:11,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 02:08:11,794 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:11,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1994824577, now seen corresponding path program 1 times [2024-11-09 02:08:11,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:11,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079481691] [2024-11-09 02:08:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:11,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:12,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079481691] [2024-11-09 02:08:12,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079481691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:12,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:12,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:08:12,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445574229] [2024-11-09 02:08:12,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:12,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:08:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:12,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:08:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:08:12,525 INFO L87 Difference]: Start difference. First operand 3863 states and 4602 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:12,911 INFO L93 Difference]: Finished difference Result 7426 states and 8859 transitions. [2024-11-09 02:08:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:08:12,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-09 02:08:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:12,918 INFO L225 Difference]: With dead ends: 7426 [2024-11-09 02:08:12,918 INFO L226 Difference]: Without dead ends: 3607 [2024-11-09 02:08:12,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:08:12,923 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 161 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:12,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 613 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:08:12,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-09 02:08:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3605. [2024-11-09 02:08:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3605 states, 3270 states have (on average 1.1629969418960244) internal successors, (3803), 3300 states have internal predecessors, (3803), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-09 02:08:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 4281 transitions. [2024-11-09 02:08:13,171 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 4281 transitions. Word has length 192 [2024-11-09 02:08:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:13,172 INFO L471 AbstractCegarLoop]: Abstraction has 3605 states and 4281 transitions. [2024-11-09 02:08:13,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4281 transitions. [2024-11-09 02:08:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-09 02:08:13,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:13,176 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:13,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-09 02:08:13,176 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:13,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:13,176 INFO L85 PathProgramCache]: Analyzing trace with hash -504322129, now seen corresponding path program 1 times [2024-11-09 02:08:13,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:13,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48014728] [2024-11-09 02:08:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:13,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48014728] [2024-11-09 02:08:13,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48014728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:08:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482260707] [2024-11-09 02:08:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:13,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:08:13,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:08:13,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 02:08:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:14,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 02:08:14,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:08:14,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:14,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:14,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:14,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:14,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-09 02:08:14,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2024-11-09 02:08:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-09 02:08:14,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:08:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:14,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482260707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:08:14,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:08:14,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 12] total 22 [2024-11-09 02:08:14,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971838659] [2024-11-09 02:08:14,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:08:14,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 02:08:14,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 02:08:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-09 02:08:14,589 INFO L87 Difference]: Start difference. First operand 3605 states and 4281 transitions. Second operand has 22 states, 19 states have (on average 7.2631578947368425) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (52), 3 states have call predecessors, (52), 6 states have call successors, (52) [2024-11-09 02:08:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:16,505 INFO L93 Difference]: Finished difference Result 6080 states and 7198 transitions. [2024-11-09 02:08:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-09 02:08:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 7.2631578947368425) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (52), 3 states have call predecessors, (52), 6 states have call successors, (52) Word has length 193 [2024-11-09 02:08:16,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:16,511 INFO L225 Difference]: With dead ends: 6080 [2024-11-09 02:08:16,511 INFO L226 Difference]: Without dead ends: 2519 [2024-11-09 02:08:16,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 424 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-11-09 02:08:16,516 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 592 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:16,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 1074 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 02:08:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2024-11-09 02:08:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1822. [2024-11-09 02:08:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1620 states have (on average 1.1604938271604939) internal successors, (1880), 1631 states have internal predecessors, (1880), 146 states have call successors, (146), 55 states have call predecessors, (146), 55 states have return successors, (146), 135 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-09 02:08:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2172 transitions. [2024-11-09 02:08:16,651 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2172 transitions. Word has length 193 [2024-11-09 02:08:16,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:16,651 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2172 transitions. [2024-11-09 02:08:16,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 7.2631578947368425) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (52), 3 states have call predecessors, (52), 6 states have call successors, (52) [2024-11-09 02:08:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2172 transitions. [2024-11-09 02:08:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:16,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:16,653 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:16,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 02:08:16,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:16,854 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:16,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2068829550, now seen corresponding path program 1 times [2024-11-09 02:08:16,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:16,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959025939] [2024-11-09 02:08:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:17,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:17,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959025939] [2024-11-09 02:08:17,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959025939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:17,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:17,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:08:17,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515751097] [2024-11-09 02:08:17,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:17,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:08:17,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:17,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:08:17,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:08:17,924 INFO L87 Difference]: Start difference. First operand 1822 states and 2172 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:18,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:18,489 INFO L93 Difference]: Finished difference Result 4342 states and 5163 transitions. [2024-11-09 02:08:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:08:18,489 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-09 02:08:18,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:18,494 INFO L225 Difference]: With dead ends: 4342 [2024-11-09 02:08:18,494 INFO L226 Difference]: Without dead ends: 2576 [2024-11-09 02:08:18,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:08:18,496 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 147 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:18,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1243 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:08:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2024-11-09 02:08:18,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2537. [2024-11-09 02:08:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2260 states have (on average 1.154424778761062) internal successors, (2609), 2277 states have internal predecessors, (2609), 198 states have call successors, (198), 78 states have call predecessors, (198), 78 states have return successors, (198), 181 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-09 02:08:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3005 transitions. [2024-11-09 02:08:18,705 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3005 transitions. Word has length 196 [2024-11-09 02:08:18,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:18,706 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 3005 transitions. [2024-11-09 02:08:18,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3005 transitions. [2024-11-09 02:08:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:18,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:18,708 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:18,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 02:08:18,708 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:18,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1833110736, now seen corresponding path program 1 times [2024-11-09 02:08:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:18,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526445438] [2024-11-09 02:08:18,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:19,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:19,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526445438] [2024-11-09 02:08:19,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526445438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:19,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:19,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 02:08:19,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350617338] [2024-11-09 02:08:19,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:19,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 02:08:19,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:19,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 02:08:19,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 02:08:19,393 INFO L87 Difference]: Start difference. First operand 2537 states and 3005 transitions. Second operand has 9 states, 7 states have (on average 12.0) internal successors, (84), 9 states have internal predecessors, (84), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-09 02:08:19,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:19,951 INFO L93 Difference]: Finished difference Result 5170 states and 6128 transitions. [2024-11-09 02:08:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:08:19,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.0) internal successors, (84), 9 states have internal predecessors, (84), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 196 [2024-11-09 02:08:19,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:19,958 INFO L225 Difference]: With dead ends: 5170 [2024-11-09 02:08:19,958 INFO L226 Difference]: Without dead ends: 2689 [2024-11-09 02:08:19,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:08:19,961 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 136 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:19,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1001 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:08:19,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2024-11-09 02:08:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2068. [2024-11-09 02:08:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1842 states have (on average 1.1558089033659067) internal successors, (2129), 1855 states have internal predecessors, (2129), 160 states have call successors, (160), 65 states have call predecessors, (160), 65 states have return successors, (160), 147 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-09 02:08:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2449 transitions. [2024-11-09 02:08:20,136 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2449 transitions. Word has length 196 [2024-11-09 02:08:20,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:20,136 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 2449 transitions. [2024-11-09 02:08:20,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.0) internal successors, (84), 9 states have internal predecessors, (84), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-09 02:08:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2449 transitions. [2024-11-09 02:08:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:20,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:20,138 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:20,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-09 02:08:20,139 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:20,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2091276174, now seen corresponding path program 1 times [2024-11-09 02:08:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:20,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330247472] [2024-11-09 02:08:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:20,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:20,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330247472] [2024-11-09 02:08:20,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330247472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:20,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:20,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 02:08:20,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834843917] [2024-11-09 02:08:20,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:20,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:08:20,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:08:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:08:20,815 INFO L87 Difference]: Start difference. First operand 2068 states and 2449 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:21,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:21,196 INFO L93 Difference]: Finished difference Result 4079 states and 4826 transitions. [2024-11-09 02:08:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:08:21,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-09 02:08:21,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:21,201 INFO L225 Difference]: With dead ends: 4079 [2024-11-09 02:08:21,201 INFO L226 Difference]: Without dead ends: 2067 [2024-11-09 02:08:21,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:08:21,204 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 125 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:21,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 487 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:08:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-09 02:08:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1868. [2024-11-09 02:08:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1689 states have (on average 1.1492007104795736) internal successors, (1941), 1698 states have internal predecessors, (1941), 126 states have call successors, (126), 52 states have call predecessors, (126), 52 states have return successors, (126), 117 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-09 02:08:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2193 transitions. [2024-11-09 02:08:21,349 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2193 transitions. Word has length 196 [2024-11-09 02:08:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:21,349 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 2193 transitions. [2024-11-09 02:08:21,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:08:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2193 transitions. [2024-11-09 02:08:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:21,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:21,351 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:21,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-09 02:08:21,351 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:21,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:21,351 INFO L85 PathProgramCache]: Analyzing trace with hash -593979319, now seen corresponding path program 1 times [2024-11-09 02:08:21,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:21,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668953563] [2024-11-09 02:08:21,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:21,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:21,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668953563] [2024-11-09 02:08:21,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668953563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:08:21,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363120041] [2024-11-09 02:08:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:08:21,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:08:21,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 02:08:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:22,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 02:08:22,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:08:22,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:22,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-09 02:08:22,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2024-11-09 02:08:22,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:22,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 79 [2024-11-09 02:08:22,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 39 [2024-11-09 02:08:22,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:22,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 53 [2024-11-09 02:08:22,465 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:22,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 71 [2024-11-09 02:08:22,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:22,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 98 treesize of output 94 [2024-11-09 02:08:22,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:22,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 123 treesize of output 53 [2024-11-09 02:08:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 114 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-09 02:08:22,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:08:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:23,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363120041] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:08:23,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:08:23,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 20 [2024-11-09 02:08:23,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881550259] [2024-11-09 02:08:23,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:08:23,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 02:08:23,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:23,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 02:08:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2024-11-09 02:08:23,169 INFO L87 Difference]: Start difference. First operand 1868 states and 2193 transitions. Second operand has 20 states, 16 states have (on average 10.625) internal successors, (170), 20 states have internal predecessors, (170), 7 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 3 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-09 02:08:24,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:24,740 INFO L93 Difference]: Finished difference Result 3522 states and 4100 transitions. [2024-11-09 02:08:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-09 02:08:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 10.625) internal successors, (170), 20 states have internal predecessors, (170), 7 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 3 states have call predecessors, (60), 7 states have call successors, (60) Word has length 196 [2024-11-09 02:08:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:24,745 INFO L225 Difference]: With dead ends: 3522 [2024-11-09 02:08:24,745 INFO L226 Difference]: Without dead ends: 1434 [2024-11-09 02:08:24,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 421 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=495, Invalid=2475, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 02:08:24,748 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 529 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 2055 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 2055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:24,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 841 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 2055 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 02:08:24,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2024-11-09 02:08:24,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1085. [2024-11-09 02:08:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 960 states have (on average 1.1322916666666667) internal successors, (1087), 964 states have internal predecessors, (1087), 86 states have call successors, (86), 38 states have call predecessors, (86), 38 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 02:08:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1259 transitions. [2024-11-09 02:08:24,838 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1259 transitions. Word has length 196 [2024-11-09 02:08:24,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:24,838 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1259 transitions. [2024-11-09 02:08:24,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 10.625) internal successors, (170), 20 states have internal predecessors, (170), 7 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 3 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-09 02:08:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1259 transitions. [2024-11-09 02:08:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:24,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:24,840 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:24,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 02:08:25,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 02:08:25,041 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:25,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:25,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1444101200, now seen corresponding path program 1 times [2024-11-09 02:08:25,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:25,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173565998] [2024-11-09 02:08:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:25,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 02:08:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173565998] [2024-11-09 02:08:25,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173565998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:08:25,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:08:25,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:08:25,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680131232] [2024-11-09 02:08:25,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:08:25,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:08:25,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:25,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:08:25,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:08:25,126 INFO L87 Difference]: Start difference. First operand 1085 states and 1259 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:08:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:25,218 INFO L93 Difference]: Finished difference Result 1896 states and 2207 transitions. [2024-11-09 02:08:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:08:25,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 196 [2024-11-09 02:08:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:25,221 INFO L225 Difference]: With dead ends: 1896 [2024-11-09 02:08:25,221 INFO L226 Difference]: Without dead ends: 871 [2024-11-09 02:08:25,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:08:25,223 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:25,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 486 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:08:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-09 02:08:25,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 871. [2024-11-09 02:08:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 746 states have (on average 1.1246648793565683) internal successors, (839), 750 states have internal predecessors, (839), 86 states have call successors, (86), 38 states have call predecessors, (86), 38 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 02:08:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1011 transitions. [2024-11-09 02:08:25,309 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1011 transitions. Word has length 196 [2024-11-09 02:08:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:25,310 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1011 transitions. [2024-11-09 02:08:25,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 02:08:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1011 transitions. [2024-11-09 02:08:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:25,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:25,311 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:25,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-09 02:08:25,311 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:25,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash -140625975, now seen corresponding path program 1 times [2024-11-09 02:08:25,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:25,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694584490] [2024-11-09 02:08:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:25,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:25,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:25,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694584490] [2024-11-09 02:08:25,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694584490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:08:25,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031013819] [2024-11-09 02:08:25,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:25,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:08:25,922 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:08:25,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 02:08:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:26,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 02:08:26,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:08:26,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:26,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 23 [2024-11-09 02:08:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-11-09 02:08:26,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:08:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:26,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031013819] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:08:26,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:08:26,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2024-11-09 02:08:26,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20405548] [2024-11-09 02:08:26,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:08:26,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 02:08:26,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:26,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 02:08:26,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:08:26,612 INFO L87 Difference]: Start difference. First operand 871 states and 1011 transitions. Second operand has 12 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 4 states have call successors, (39) [2024-11-09 02:08:27,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:27,151 INFO L93 Difference]: Finished difference Result 1590 states and 1841 transitions. [2024-11-09 02:08:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 02:08:27,152 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 4 states have call successors, (39) Word has length 196 [2024-11-09 02:08:27,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:27,154 INFO L225 Difference]: With dead ends: 1590 [2024-11-09 02:08:27,154 INFO L226 Difference]: Without dead ends: 779 [2024-11-09 02:08:27,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 434 SyntacticMatches, 9 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-09 02:08:27,155 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 168 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:27,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 401 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:08:27,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-09 02:08:27,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 725. [2024-11-09 02:08:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 600 states have (on average 1.115) internal successors, (669), 604 states have internal predecessors, (669), 86 states have call successors, (86), 38 states have call predecessors, (86), 38 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 02:08:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 841 transitions. [2024-11-09 02:08:27,240 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 841 transitions. Word has length 196 [2024-11-09 02:08:27,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:27,240 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 841 transitions. [2024-11-09 02:08:27,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 4 states have call successors, (39) [2024-11-09 02:08:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 841 transitions. [2024-11-09 02:08:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:27,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:27,241 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:27,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 02:08:27,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:27,442 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:27,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:27,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1556969399, now seen corresponding path program 1 times [2024-11-09 02:08:27,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:27,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783646432] [2024-11-09 02:08:27,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:27,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:27,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:27,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783646432] [2024-11-09 02:08:27,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783646432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:08:27,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898304082] [2024-11-09 02:08:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:27,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:27,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:08:27,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:08:27,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 02:08:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:28,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 02:08:28,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:08:28,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:28,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:28,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:28,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:28,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-11-09 02:08:28,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 64 [2024-11-09 02:08:28,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2024-11-09 02:08:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-09 02:08:28,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:08:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898304082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:08:28,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:08:28,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 15 [2024-11-09 02:08:28,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718020129] [2024-11-09 02:08:28,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:08:28,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 02:08:28,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:28,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 02:08:28,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:08:28,635 INFO L87 Difference]: Start difference. First operand 725 states and 841 transitions. Second operand has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-09 02:08:29,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:29,208 INFO L93 Difference]: Finished difference Result 1295 states and 1500 transitions. [2024-11-09 02:08:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 02:08:29,209 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 196 [2024-11-09 02:08:29,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:29,211 INFO L225 Difference]: With dead ends: 1295 [2024-11-09 02:08:29,211 INFO L226 Difference]: Without dead ends: 630 [2024-11-09 02:08:29,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 429 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-09 02:08:29,212 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 100 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:29,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 494 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 02:08:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-09 02:08:29,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 421. [2024-11-09 02:08:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 347 states have (on average 1.1123919308357348) internal successors, (386), 349 states have internal predecessors, (386), 50 states have call successors, (50), 23 states have call predecessors, (50), 23 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 02:08:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 486 transitions. [2024-11-09 02:08:29,269 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 486 transitions. Word has length 196 [2024-11-09 02:08:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:29,269 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 486 transitions. [2024-11-09 02:08:29,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-09 02:08:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 486 transitions. [2024-11-09 02:08:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:29,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:29,270 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:29,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 02:08:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:29,471 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:29,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1241284343, now seen corresponding path program 1 times [2024-11-09 02:08:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:29,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675704919] [2024-11-09 02:08:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:30,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:30,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675704919] [2024-11-09 02:08:30,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675704919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:08:30,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354862941] [2024-11-09 02:08:30,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:30,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:08:30,186 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:08:30,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 02:08:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:30,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 02:08:30,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:08:30,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 02:08:30,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-09 02:08:30,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2024-11-09 02:08:30,654 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:30,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 79 [2024-11-09 02:08:30,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:30,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 39 [2024-11-09 02:08:30,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:30,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 53 [2024-11-09 02:08:30,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:30,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 71 [2024-11-09 02:08:30,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 02:08:30,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 100 [2024-11-09 02:08:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 508 proven. 39 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 02:08:30,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:08:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:31,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354862941] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:08:31,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:08:31,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 9] total 20 [2024-11-09 02:08:31,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978301399] [2024-11-09 02:08:31,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:08:31,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 02:08:31,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:31,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 02:08:31,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-09 02:08:31,059 INFO L87 Difference]: Start difference. First operand 421 states and 486 transitions. Second operand has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 20 states have internal predecessors, (118), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-09 02:08:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:31,869 INFO L93 Difference]: Finished difference Result 918 states and 1060 transitions. [2024-11-09 02:08:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 02:08:31,869 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 20 states have internal predecessors, (118), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) Word has length 196 [2024-11-09 02:08:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:31,871 INFO L225 Difference]: With dead ends: 918 [2024-11-09 02:08:31,872 INFO L226 Difference]: Without dead ends: 563 [2024-11-09 02:08:31,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 430 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 02:08:31,872 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 619 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:31,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 518 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 02:08:31,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-09 02:08:31,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 409. [2024-11-09 02:08:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 335 states have (on average 1.1044776119402986) internal successors, (370), 337 states have internal predecessors, (370), 50 states have call successors, (50), 23 states have call predecessors, (50), 23 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 02:08:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 470 transitions. [2024-11-09 02:08:31,932 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 470 transitions. Word has length 196 [2024-11-09 02:08:31,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:31,932 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 470 transitions. [2024-11-09 02:08:31,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 20 states have internal predecessors, (118), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-09 02:08:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 470 transitions. [2024-11-09 02:08:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 02:08:31,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:31,933 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:31,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 02:08:32,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-09 02:08:32,134 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:08:32,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:08:32,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1511299529, now seen corresponding path program 1 times [2024-11-09 02:08:32,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:08:32,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743936032] [2024-11-09 02:08:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:32,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:08:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:08:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:08:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:08:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:08:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:08:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:08:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:08:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:08:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:08:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:08:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:08:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:08:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:08:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:08:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:08:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:08:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:08:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:08:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:08:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:08:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:08:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:08:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:08:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:32,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:08:32,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743936032] [2024-11-09 02:08:32,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743936032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:08:32,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271620920] [2024-11-09 02:08:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:08:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:08:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:08:32,624 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:08:32,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 02:08:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:08:32,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 02:08:32,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:08:32,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:32,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:32,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:32,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:33,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:33,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 02:08:33,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-11-09 02:08:33,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2024-11-09 02:08:33,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 60 [2024-11-09 02:08:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 522 proven. 36 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-09 02:08:33,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:08:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 02:08:33,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271620920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:08:33,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:08:33,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-11-09 02:08:33,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070031383] [2024-11-09 02:08:33,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:08:33,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:08:33,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:08:33,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:08:33,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:08:33,296 INFO L87 Difference]: Start difference. First operand 409 states and 470 transitions. Second operand has 10 states, 8 states have (on average 11.75) internal successors, (94), 10 states have internal predecessors, (94), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-09 02:08:33,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:08:33,717 INFO L93 Difference]: Finished difference Result 643 states and 732 transitions. [2024-11-09 02:08:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:08:33,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.75) internal successors, (94), 10 states have internal predecessors, (94), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) Word has length 196 [2024-11-09 02:08:33,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:08:33,719 INFO L225 Difference]: With dead ends: 643 [2024-11-09 02:08:33,719 INFO L226 Difference]: Without dead ends: 300 [2024-11-09 02:08:33,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 433 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:08:33,720 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 225 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:08:33,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 325 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:08:33,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-09 02:08:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 278. [2024-11-09 02:08:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 219 states have (on average 1.0730593607305936) internal successors, (235), 220 states have internal predecessors, (235), 38 states have call successors, (38), 20 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 02:08:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 311 transitions. [2024-11-09 02:08:33,765 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 311 transitions. Word has length 196 [2024-11-09 02:08:33,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:08:33,766 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 311 transitions. [2024-11-09 02:08:33,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.75) internal successors, (94), 10 states have internal predecessors, (94), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-09 02:08:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 311 transitions. [2024-11-09 02:08:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-09 02:08:33,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:08:33,767 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:08:33,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0